<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .year {
            width: 400px;
            height: 60px;
            background-color: rgb(96, 173, 175);
            margin: auto;
            margin-top: 50px;
        }
    </style>
</head>

<body>
    <div class="">年</div>
    <div class="month">月</div>
    <div class="week">周</div>
    <div class="day">日</div>
</body>

</html>